Michael Freno
7c684a42cc
- Consolidated duplicate UndoManagers to single instance - Fixed connection promise to only resolve on 'connected' status - Fixed WebSocketProvider import (WebsocketProvider) - Added proper doc.destroy() cleanup - Renamed isPresenceInitialized property to avoid conflict Co-Authored-By: Paperclip <noreply@paperclip.ing>
72 lines
2.1 KiB
TypeScript
72 lines
2.1 KiB
TypeScript
import type { ErrorType } from '../../errors/utils.js'
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import type { Kzg } from '../../types/kzg.js'
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import type { ByteArray, Hex } from '../../types/misc.js'
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import { type HexToBytesErrorType, hexToBytes } from '../encoding/toBytes.js'
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import { type BytesToHexErrorType, bytesToHex } from '../encoding/toHex.js'
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type To = 'hex' | 'bytes'
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export type BlobsToCommitmentsParameters<
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blobs extends readonly ByteArray[] | readonly Hex[] =
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| readonly ByteArray[]
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| readonly Hex[],
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to extends To | undefined = undefined,
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> = {
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/** Blobs to transform into commitments. */
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blobs: blobs | readonly ByteArray[] | readonly Hex[]
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/** KZG implementation. */
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kzg: Pick<Kzg, 'blobToKzgCommitment'>
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/** Return type. */
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to?: to | To | undefined
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}
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export type BlobsToCommitmentsReturnType<to extends To> =
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| (to extends 'bytes' ? readonly ByteArray[] : never)
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| (to extends 'hex' ? readonly Hex[] : never)
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export type BlobsToCommitmentsErrorType =
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| HexToBytesErrorType
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| BytesToHexErrorType
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| ErrorType
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/**
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* Compute commitments from a list of blobs.
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*
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* @example
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* ```ts
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* import { blobsToCommitments, toBlobs } from 'viem'
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* import { kzg } from './kzg'
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*
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* const blobs = toBlobs({ data: '0x1234' })
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* const commitments = blobsToCommitments({ blobs, kzg })
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* ```
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*/
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export function blobsToCommitments<
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const blobs extends readonly ByteArray[] | readonly Hex[],
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to extends To =
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| (blobs extends readonly Hex[] ? 'hex' : never)
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| (blobs extends readonly ByteArray[] ? 'bytes' : never),
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>(
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parameters: BlobsToCommitmentsParameters<blobs, to>,
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): BlobsToCommitmentsReturnType<to> {
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const { kzg } = parameters
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const to =
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parameters.to ?? (typeof parameters.blobs[0] === 'string' ? 'hex' : 'bytes')
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const blobs = (
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typeof parameters.blobs[0] === 'string'
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? parameters.blobs.map((x) => hexToBytes(x as any))
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: parameters.blobs
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) as ByteArray[]
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const commitments: ByteArray[] = []
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for (const blob of blobs)
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commitments.push(Uint8Array.from(kzg.blobToKzgCommitment(blob)))
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return (to === 'bytes'
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? commitments
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: commitments.map((x) =>
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bytesToHex(x),
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)) as {} as BlobsToCommitmentsReturnType<to>
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}
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